243 lines
12 KiB
C
243 lines
12 KiB
C
/*
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* RichEdit - prototypes for functions and macro definitions
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*
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* Copyright 2004 by Krzysztof Foltman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "editstr.h"
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#define ALLOC_OBJ(type) HeapAlloc(me_heap, 0, sizeof(type))
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#define ALLOC_N_OBJ(type, count) HeapAlloc(me_heap, 0, (count)*sizeof(type))
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#define FREE_OBJ(ptr) HeapFree(me_heap, 0, ptr)
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#define RUN_IS_HIDDEN(run) ((run)->style->fmt.dwMask & CFM_HIDDEN \
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&& (run)->style->fmt.dwEffects & CFE_HIDDEN)
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/* style.c */
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ME_Style *ME_MakeStyle(CHARFORMAT2W *style);
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void ME_AddRefStyle(ME_Style *item);
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void ME_ReleaseStyle(ME_Style *item);
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ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor);
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ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style);
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HFONT ME_SelectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s);
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void ME_UnselectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s, HFONT hOldFont);
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void ME_InitCharFormat2W(CHARFORMAT2W *pFmt);
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void ME_SaveTempStyle(ME_TextEditor *editor);
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void ME_ClearTempStyle(ME_TextEditor *editor);
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void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]);
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void ME_DumpStyle(ME_Style *s);
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CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
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void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
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CHARFORMAT2W *ME_ToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
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void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
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void ME_CopyCharFormat(CHARFORMAT2W *pDest, CHARFORMAT2W *pSrc); /* only works with 2W structs */
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/* list.c */
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void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat);
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void ME_Remove(ME_DisplayItem *diWhere);
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ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
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BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass);
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ME_DisplayItem *ME_MakeDI(ME_DIType type);
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void ME_DestroyDisplayItem(ME_DisplayItem *item);
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void ME_DumpDocument(ME_TextBuffer *buffer);
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const char *ME_GetDITypeName(ME_DIType type);
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/* string.c */
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int ME_GetOptimalBuffer(int nLen);
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ME_String *ME_MakeString(LPCWSTR szText);
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ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
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ME_String *ME_StrDup(ME_String *s);
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void ME_DestroyString(ME_String *s);
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void ME_AppendString(ME_String *s1, ME_String *s2);
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ME_String *ME_ConcatString(ME_String *s1, ME_String *s2);
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ME_String *ME_VSplitString(ME_String *orig, int nVPos);
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int ME_IsWhitespaces(ME_String *s);
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int ME_IsSplitable(ME_String *s);
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/* int ME_CalcSkipChars(ME_String *s); */
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int ME_StrLen(ME_String *s);
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int ME_StrVLen(ME_String *s);
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int ME_FindNonWhitespaceV(ME_String *s, int nVChar);
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int ME_FindWhitespaceV(ME_String *s, int nVChar);
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int ME_CallWordBreakProc(ME_TextEditor *editor, ME_String *str, INT start, INT code);
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int ME_GetCharFwd(ME_String *s, int nPos); /* get char starting from start */
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int ME_GetCharBack(ME_String *s, int nPos); /* get char starting from \0 */
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int ME_StrRelPos(ME_String *s, int nVChar, int *pRelChars);
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int ME_StrRelPos2(ME_String *s, int nVChar, int nRelChars);
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int ME_VPosToPos(ME_String *s, int nVPos);
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int ME_PosToVPos(ME_String *s, int nPos);
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void ME_StrDeleteV(ME_String *s, int nVChar, int nChars);
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/* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */
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LPWSTR ME_ToUnicode(HWND hWnd, LPVOID psz);
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void ME_EndToUnicode(HWND hWnd, LPVOID psz);
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LPSTR ME_ToAnsi(HWND hWnd, LPVOID psz);
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void ME_EndToAnsi(HWND hWnd, LPVOID psz);
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static inline int ME_IsWSpace(WCHAR ch)
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{
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return ch > '\0' && ch <= ' ';
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}
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/* note: those two really return the first matching offset (starting from EOS)+1
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* in other words, an offset of the first trailing white/black */
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int ME_ReverseFindNonWhitespaceV(ME_String *s, int nVChar);
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int ME_ReverseFindWhitespaceV(ME_String *s, int nVChar);
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/* row.c */
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ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos);
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ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
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/* ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); */
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void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
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ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow);
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int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs);
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/* run.c */
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ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);
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/* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */
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ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem);
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ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
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ME_Style *style, const WCHAR *str, int len, int flags);
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void ME_CheckCharOffsets(ME_TextEditor *editor);
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void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
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void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
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int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Paragraph *para, ME_Run *run);
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/* this one accounts for 1/2 char tolerance */
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int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
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int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);
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int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run);
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int ME_CanJoinRuns(ME_Run *run1, ME_Run *run2);
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void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p);
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ME_DisplayItem *ME_SplitRun(ME_Context *c, ME_DisplayItem *item, int nChar);
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ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar);
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int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate);
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void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run);
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ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run);
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void ME_CalcRunExtent(ME_Context *c, ME_Paragraph *para, ME_Run *run);
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SIZE ME_GetRunSize(ME_Context *c, ME_Paragraph *para, ME_Run *run, int nLen);
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void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor);
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void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs);
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int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs);
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void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift);
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void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
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void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
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void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
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void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
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void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
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void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod);
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/* caret.c */
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void ME_SetSelection(ME_TextEditor *editor, int from, int to);
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void ME_SelectWord(ME_TextEditor *editor);
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void ME_HideCaret(ME_TextEditor *ed);
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void ME_ShowCaret(ME_TextEditor *ed);
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void ME_MoveCaret(ME_TextEditor *ed);
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int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol);
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int ME_CharFromPos(ME_TextEditor *editor, int x, int y);
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void ME_LButtonDown(ME_TextEditor *editor, int x, int y);
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void ME_MouseMove(ME_TextEditor *editor, int x, int y);
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void ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars);
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void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor,
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const WCHAR *str, int len, ME_Style *style);
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void ME_SetCharFormat(ME_TextEditor *editor, int nOfs, int nChars, CHARFORMAT2W *pFmt);
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BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, BOOL extend, BOOL ctrl);
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void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC);
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void ME_DestroyContext(ME_Context *c);
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ME_Style *GetInsertStyle(ME_TextEditor *editor, int nCursor);
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void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para);
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void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
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int *x, int *y, int *height);
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int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor);
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void ME_GetSelection(ME_TextEditor *editor, int *from, int *to);
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int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
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BOOL ME_IsSelection(ME_TextEditor *editor);
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void ME_DeleteSelection(ME_TextEditor *editor);
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void ME_SendSelChange(ME_TextEditor *editor);
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void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor);
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void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars);
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int ME_GetTextLength(ME_TextEditor *editor);
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int ME_GetTextLengthEx(ME_TextEditor *editor, GETTEXTLENGTHEX *how);
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ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
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BOOL ME_UpdateSelection(ME_TextEditor *editor, ME_Cursor *pTempCursor);
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/* wrap.c */
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void ME_PrepareParagraphForWrapping(ME_Context *c, ME_DisplayItem *tp);
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ME_DisplayItem *ME_MakeRow(int height, int baseline, int width);
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void ME_InsertRowStart(ME_WrapContext *wc, ME_DisplayItem *pEnd);
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void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp);
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BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor);
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void ME_SendRequestResize(ME_TextEditor *editor, BOOL force);
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/* para.c */
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ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run);
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void ME_MakeFirstParagraph(HDC hDC, ME_TextBuffer *editor);
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ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style);
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ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp);
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void ME_DumpParaStyle(ME_Paragraph *s);
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void ME_DumpParaStyleToBuf(PARAFORMAT2 *pFmt, char buf[2048]);
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void ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
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void ME_SetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
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void ME_GetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
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void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
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/* marks from first up to (but not including) last */
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void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last);
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void ME_MarkAllForWrapping(ME_TextEditor *editor);
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/* paint.c */
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void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, RECT *rcUpdate);
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void ME_Repaint(ME_TextEditor *editor);
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void ME_RewrapRepaint(ME_TextEditor *editor);
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void ME_UpdateRepaint(ME_TextEditor *editor);
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void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph);
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void ME_UpdateScrollBar(ME_TextEditor *editor);
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int ME_GetYScrollPos(ME_TextEditor *editor);
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void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun);
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COLORREF ME_GetBackColor(ME_TextEditor *editor);
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void ME_Scroll(ME_TextEditor *editor, int cx, int cy);
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void ME_InvalidateFromOfs(ME_TextEditor *editor, int nCharOfs);
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void ME_InvalidateSelection(ME_TextEditor *editor);
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void ME_QueueInvalidateFromCursor(ME_TextEditor *editor, int nCursor);
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BOOL ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator);
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/* richole.c */
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extern LRESULT CreateIRichEditOle(LPVOID *);
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/* wintest.c */
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/* editor.c */
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void ME_RegisterEditorClass(HINSTANCE hInstance);
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ME_TextEditor *ME_MakeEditor(HWND hWnd);
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void ME_DestroyEditor(ME_TextEditor *editor);
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void ME_SendOldNotify(ME_TextEditor *editor, int nCode);
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ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, ME_DisplayItem *di);
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void ME_CommitUndo(ME_TextEditor *editor);
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void ME_Undo(ME_TextEditor *editor);
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void ME_Redo(ME_TextEditor *editor);
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void ME_EmptyUndoStack(ME_TextEditor *editor);
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int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF);
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ME_DisplayItem *ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset);
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void ME_StreamInFill(ME_InStream *stream);
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extern int me_debug;
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extern HANDLE me_heap;
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extern void DoWrap(ME_TextEditor *editor);
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/* writer.c */
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LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);
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